relationship
US /rɪˈleɪ.ʃən.ʃɪp/
UK /rɪˈleɪ.ʃən.ʃɪp/

1.
relation, lien
the way in which two or more concepts, objects, or people are connected, or the state of being connected.
:
•
The relationship between diet and health is well-known.
La relation entre l'alimentation et la santé est bien connue.
•
There's a strong relationship between poverty and crime.
Il y a une forte relation entre la pauvreté et la criminalité.
2.
relation, rapport
the way in which two or more people or groups regard and behave toward each other.
:
•
Their working relationship is very good.
Leur relation de travail est très bonne.
•
She has a difficult relationship with her father.
Elle a une relation difficile avec son père.
3.
relation, couple
a romantic or sexual association between two people.
:
•
They've been in a serious relationship for two years.
Ils sont dans une relation sérieuse depuis deux ans.
•
Are you currently in a relationship?
Es-tu actuellement en couple ?